发明授权
US3594407A 13,17-dialkyl-19-norpregn-4-ene,3,20-diones 失效
13,17-DIALKYL-19-NORPREGN-4-ENE,3,20-DIONES

13,17-dialkyl-19-norpregn-4-ene,3,20-diones
摘要:
THE COMPOUNDS OF THE CLASS OF 13,17-DIALKYL-18,19-DINORPREGN-4-EN-3,20-DIONES AND 13,17,21,21,21-PENTAALKYL18,19-DI-NORPREGN-4-EN-3,20-DIONES ARE PREPARED AND FOUND TO BE HORMONALLY USEFUL.
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